477327 (2009 TB8)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7056001983 ± 2.93e-08
Semi-major axis (a)2.2755218737 AU ± 9.55e-09
Inclination (i)10.17603520° ± 5.64e-06
Long. of Asc. Node (Ω)276.53794536° ± 4.03e-05
Arg. of Perihelion (ω)228.39112756° ± 3.95e-05
Mean Anomaly (M)212.39935758° ± 6.02e-06
Mean Motion (n)0.2871380550°/day ± 1.81e-09
Perihelion dist (q)0.66991319 AU ± 6.68e-08
Aphelion dist (Q)3.88113056 AU ± 6.87e-08
Orbital Period3.43258675 yr ± 2.16e-08
Physical Parameters
H (abs. magnitude)18.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.272″
Uncertainty0
Orbit TypeApollo
MOID0.079922 AU
Observations Used153
Oppositions11
Arc Total2009-2024
First Observation Used2009-09-26
Last Observation Used2024-06-15
Observations (174)
Date Type RA Dec Mag Band Observatory
2009-11-10 06:39:04 C 23 25 05.24 +15 52 46.1 o 291
2009-11-10 06:47:57 C 23 25 04.82 +15 52 40.2 o 291
2009-11-11 05:13:32 C 23 24 05.16 +15 38 18.6 o 291
2009-11-11 05:19:09 C 23 24 04.91 +15 38 14.8 o 291
2009-11-11 05:25:05 C 23 24 04.64 +15 38 11.1 o 291
2009-11-20 02:19:30 C 23 16 48.12 +13 27 38.6 o H21
2009-11-20 02:28:37 C 23 16 47.92 +13 27 33.7 o H21
2009-11-20 02:37:44 C 23 16 47.68 +13 27 28.3 o H21
2009-11-21 03:25:05 C 23 16 12.71 +13 13 14.2 r 448
2009-11-21 04:13:10 C 23 16 11.54 +13 12 46.6 r 448
2009-11-21 05:02:47 C 23 16 10.39 +13 12 18.7 r 448
2009-12-28 01:47:20 C 23 28 28.46 +07 50 38.8 r 448
2009-12-28 03:00:10 C 23 28 31.61 +07 50 27.0 r 448
2010-01-05 23:52:33 C 23 39 43.22 +07 23 52.4 o H21
2010-01-06 00:01:59 C 23 39 43.79 +07 23 50.8 o H21
2010-01-06 00:10:20 C 23 39 44.25 +07 23 49.4 o H21
2010-04-25 06:29:41 S 21 12 02.455 -47 13 34.00 L C51
2010-04-25 08:05:02 S 21 11 29.916 -47 14 08.99 L C51
2010-04-25 09:40:12 S 21 10 57.398 -47 14 43.69 L C51
2010-04-25 11:15:33 S 21 10 24.854 -47 15 17.35 L C51
2010-04-25 14:26:04 S 21 09 19.862 -47 16 23.74 L C51
2010-05-01 08:39:41 C 20 22 57.70 -47 29 31.2 r I20
2010-05-01 08:49:50 C 20 22 54.18 -47 29 30.8 r I20
2010-05-01 09:00:00 C 20 22 50.76 -47 29 28.9 r I20
2010-05-08 07:42:03 C 19 30 09.41 -46 24 29.1 r I20
2010-05-08 07:59:08 C 19 30 04.08 -46 24 18.5 r I20
2010-05-08 08:09:05 C 19 30 00.97 -46 24 12.2 r I20
2012-09-12 04:15:05 C 22 49 54.09 +07 46 27.4 u H21
2012-09-12 04:59:14 C 22 49 51.99 +07 46 15.6 u H21
2012-09-12 05:35:32 C 22 49 50.25 +07 46 05.9 u H21
2012-09-13 03:48:48 C 22 48 49.06 +07 40 16.0 u H21
2012-09-13 04:31:55 C 22 48 47.03 +07 40 04.2 u H21
2012-09-13 05:17:26 C 22 48 44.93 +07 39 52.4 u H21
2012-09-19 04:35:06 C 22 42 13.97 +07 00 03.9 u H21
2012-09-19 05:14:25 C 22 42 12.15 +06 59 52.9 u H21
2012-09-19 05:55:44 C 22 42 10.22 +06 59 41.3 u H21
2016-10-08 09:12:36 C 03 57 01.50 +41 41 15.9 q H45
2016-10-08 09:14:26 C 03 57 01.59 +41 41 17.1 q H45
2016-10-08 09:15:59 C 03 57 01.74 +41 41 19.0 q H45
2016-10-08 09:17:33 C 03 57 01.82 +41 41 20.2 q H45
2016-10-08 09:18:51 C 03 57 01.90 +41 41 21.6 q H45
2016-10-08 09:20:39 C 03 57 02.03 +41 41 22.8 q H45
2016-10-08 09:21:58 C 03 57 02.11 +41 41 23.9 q H45
2016-10-08 09:23:23 C 03 57 02.20 +41 41 25.5 q H45
2016-10-10 09:51:39 C 04 00 37.53 +42 23 18.2 q G96
2016-10-10 10:00:08 C 04 00 38.07 +42 23 24.5 q G96
2016-10-10 10:09:20 C 04 00 38.77 +42 23 34.4 q G96
2016-10-10 10:18:29 C 04 00 39.42 +42 23 42.2 q G96
2016-10-24 05:10:26 C 04 31 53.21 +48 16 18.4 q H15
2016-10-24 05:24:25 C 04 31 54.73 +48 16 36.6 q H15